More Software Like AstroNav 1.1.6

AstroNav

Combine multiple sights on different tracks. Data available for 9999BC to 9999AD including a Star Atlas, twilights and eclipses. It will print conventional Nautical Almanac pages while the voyage plan is a sophisticated tool in its own right.

Aciqra

Aciqra is a free and open source virtual planetarium and sky mapping program which tracks celestial bodies including planets, deep sky objects and stars.

2011 Nautical Almanac

Complete 2011 Nautical Almanac in pdf format. Includes monthly star charts with the planet's positions.